def setup
  size 200, 200
  noStroke
  
  inside = color 204, 102, 0
  middle = color 204, 153, 0
  outside = color 153, 51, 0
  
  fill outside
  rect 0, 0, 200, 200
  fill middle
  rect 40, 60, 120, 120
  fill inside
  rect 60, 90, 80, 80
end